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-x^2-14x=50
We move all terms to the left:
-x^2-14x-(50)=0
We add all the numbers together, and all the variables
-1x^2-14x-50=0
a = -1; b = -14; c = -50;
Δ = b2-4ac
Δ = -142-4·(-1)·(-50)
Δ = -4
Delta is less than zero, so there is no solution for the equation
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